USB2005-MN-01 USB 2.0 ATA/ATAPI Controller | Microchip
MPN: USB2005-MN-01 ✓ ActiveUSB2005-MN-01 Overview
An application-specific controller is a specialized semiconductor that integrates the logic required for a particular external interface or system function. In the USB 2.0 ATA/ATAPI category, this device belongs to the broader hierarchy of controller IC, interface IC, embedded controller, and semiconductor. Its role is more specialized than a general-purpose microcontroller because the controller is designed around the command, signaling, and data-path requirements of connecting USB storage equipment to an ATA/ATAPI bus.
The primary verified feature is support for the USB 2.0 and ATA/ATAPI standards. A USB 2.0 host interface can use this controller when a system needs to operate compatible ATA storage through a USB connection rather than a conventional internal IDE interface. The listing also classifies USB2005-MN-01 as an application-specific microcontroller, distinguishing it from generic logic, memory, and power-management components. Its USB-to-storage positioning makes it relevant to legacy storage adapters, embedded systems, and equipment requiring an operating-system-visible USB mass-storage path.
Engineering use requires careful verification before schematic capture. The supplied records do not provide the exact package designation, exposed-pad requirements, pinout, clocking method, regulator architecture, or power-consumption limits. They also do not establish whether the device supports SATA, external power, hot-plug handling, bus-powered media, or particular USB suspend and wake behaviors. Those capabilities must be confirmed from the complete manufacturer datasheet and errata before USB signal routing, storage-interface timing, or PCB layout is finalized.
Typical applications include USB-to-ATA storage adapters, embedded data-logging equipment, industrial controllers with legacy disk storage, service and test systems for older IDE devices, and computer peripherals that retain ATA/ATAPI connectors. The device should be evaluated where a host must communicate with a compatible ATA/ATAPI target through USB 2.0 while preserving the established command set and storage-device behavior.
The primary design caution is that a USB 2.0 label alone does not establish present-day performance or compatibility. Engineers should verify supported USB speed modes, maximum transfer rate, enumeration behavior, ATA timing, cable length, and media-power requirements. Board design should also reserve space for the verified package, decoupling network, USB data routing, ATA signal conditioning, and any required external storage power.
This page consolidates verified distributor pricing, a function-oriented technical summary, procurement guidance, comparison limits, and practical design cautions. It distinguishes confirmed USB 2.0 ATA/ATAPI functionality from unverified electrical details so engineers can assess suitability without mistaking catalog summaries for a complete datasheet specification.
Drop-in alternatives for USB2005-MN-01 — same package, pin-to-pin compatible. Different-package parts requiring PCB rework are excluded.
No drop-in alternatives available for this product.
Request AlternativesUSB2005-MN-01 Maximum Ratings & Electrical Characteristics
| Product Type | Application-specific microcontroller |
| Controller Function | USB 2.0 ATA/ATAPI controller |
| USB Interface Version | USB 2.0 |
| Storage Interface | ATA/ATAPI |
| Original Manufacturer | SMSC |
| Current Manufacturer | Microchip Technology |
| Device Classification | Embedded integrated circuit |
USB2005-MN-01 standard Pin Configuration Guide
Pin configuration for USB2005-MN-01 (standard package). This digital IC includes GPIO, communication interfaces (UART, SPI, I2C), and power pins. Refer to the manufacturer datasheet for alternate pin functions and configuration options. Essential for embedded system design and PCB layout.
No detailed pinout data available for USB2005-MN-01.
Refer to the datasheet for full pin configuration.
Typical Applications
USB2005-MN-01 is suitable for 6 applications: USB-to-ATA Storage Adapter, Legacy Industrial Data Logger, Embedded Service and Test Console, Computer Peripheral with IDE Storage, USB Storage Bridge Enclosure, Diagnostic Media Recovery Fixture.
USB-to-ATA Storage Adapter
The USB2005-MN-01 fits a legacy USB-to-ATA adapter because the verified product function is explicitly USB 2.0 ATA/ATAPI controller operation. It can serve as the interface IC between a USB host and a compatible IDE storage target, allowing the adapter to expose a legacy disk through USB rather than an internal ATA connector. The confirmed USB 2.0 designation establishes the host-interface generation, but the supplied records do not state sustained transfer rate, maximum cable length, or drive-power capability. Those values must come from the full manufacturer datasheet before a PCB is released. Designers should also verify the exact package and pinout, determine whether the target disk requires an external 5 V rail, and validate USB enumeration and ATA command behavior with the intended operating system.
Legacy Industrial Data Logger
The USB2005-MN-01 is applicable to an industrial data logger that retains ATA/ATAPI storage for records, diagnostic logs, or buffered acquisition data. Its confirmed USB 2.0 ATA/ATAPI controller function gives the equipment a path between a USB-capable host and an ATA-compatible medium without changing the established storage command interface. This is useful where an existing machine already uses IDE storage and only the external connection must be modernized. The supplied data does not verify industrial temperature qualification, surge tolerance, brownout behavior, or ATA timing margins, so those requirements must be checked against the complete manufacturer document. Deployment should also include storage-power sequencing, connector protection, cable-length testing, and recovery testing after unexpected USB removal.
Embedded Service and Test Console
The USB2005-MN-01 can support a service or test console designed to access equipment containing a legacy ATA/ATAPI storage device. The verified USB 2.0 controller role allows a technician’s host computer to communicate with compatible IDE media over one cable, reducing the need for an exposed internal drive connector. It may be useful for firmware recovery, configuration transfer, manufacturing test, or diagnostic data extraction. The available records do not confirm USB power classes, suspend and resume behavior, device-side command support, or transfer performance, all of which influence console architecture. Before implementation, engineers should confirm that the target equipment uses a directly compatible ATA mode, confirm device enumeration requirements, and test the design with the exact disk models expected in field service.
Computer Peripheral with IDE Storage
The USB2005-MN-01 is relevant to a legacy computer peripheral or embedded appliance that uses ATA/ATAPI media for local storage while presenting a USB 2.0 connection externally. The device’s confirmed combination of USB 2.0 and ATA/ATAPI control provides the foundation for a bridge between modern host connectivity and older storage hardware. This can preserve an established disk format and recovery workflow during a system transition. The supplied catalog records do not establish boot capability, maximum media capacity, multi-sector performance, or operating-system mass-storage drivers, so the USB2005-MN-01 should not be assumed to support every ATA feature. Prototype validation should include hot-plug behavior, media compatibility, power-removal recovery, and sustained transfer testing under the intended enclosure thermal conditions.
USB Storage Bridge Enclosure
The USB2005-MN-01 can be evaluated for a USB storage enclosure built around a legacy ATA/ATAPI drive. The confirmed USB 2.0 ATA/ATAPI controller function matches the basic architecture of a USB-to-disk bridge, where the controller mediates storage commands and data transfer between the host and IDE device. The part is most appropriate for products designed specifically around ATA rather than SATA media. The verified records do not identify the package, pin count, USB transceiver arrangement, ATA voltage requirements, or external-drive power path. As a result, mechanical PCB reuse and schematic completion require the official pinout and electrical data. Bring-up should test enumeration, reads and writes at sector boundaries, sustained throughput, unplug behavior, and operation with both bare and externally powered drives.
Diagnostic Media Recovery Fixture
The USB2005-MN-01 is suited to a diagnostic fixture that retrieves or initializes an ATA/ATAPI-based legacy storage assembly. Its verified USB 2.0 ATA/ATAPI controller function allows a diagnostic host to communicate with the storage target while keeping the fixture electrically simple. The application is particularly relevant for repair depots, production-line programming, and controlled equipment migrations where the original IDE interface remains installed. The supplied material does not define low-level ATA command coverage, write-protection controls, timing margins, or cable limitations. Before depending on the part for repair data, engineers should verify that the fixture can use the operating-system-provided USB mass-storage class or whether a custom host driver is required. Repeated read, write, erase-cycle, and unexpected-disconnect tests are advisable before field use.
Engineering reference data for USB2005-MN-01 — comparison, design guidance, and compliance information.
Selection Guide
Comparison with Alternatives
| Parameter | This Product |
|---|---|
| Product Type | USB 2.0 ATA/ATAPI application-specific controller |
| Brand | Microchip Technology |
| USB Interface Version | USB 2.0 |
| Storage Interface | ATA/ATAPI |
| Starting Catalog Price | $2.3208 as of 2026-10-29 |
Key Differentiators
- Purpose-built interface function (vs General-purpose USB storage controller)
- Legacy ATA/ATAPI target support (vs USB-to-SATA storage controller)
- Documented procurement entry (vs No verified drop-in alternative)
Design Notes
Do not begin PCB routing until the exact USB2005-MN-01 package, pad map, and exposed-pad requirements are confirmed from the manufacturer documentation. USB differential routing should follow the verified reference layout, while ATA signals must use the lengths and topology specified by the device. Keep the USB connector, controller, storage connector, and their return-path ground structures tightly coupled; incorrect package or pin assumptions could make even a functionally similar family member impossible to assemble.
Separate controller and storage power budgets until their verified voltage and current requirements are available. The supplied records do not specify the USB2005-MN-01 supply range, quiescent current, active current, or ATA output voltage, so neither the controller nor an attached legacy disk should be assigned a speculative current value. Use the complete datasheet and disk specification to size the regulator, protection element, connector wiring, and storage-power switch.
Do not treat the family listing that mentions USB2005-MV-01 as proof of drop-in compatibility. Verify package dimensions, pin numbering, exposed-pad connection, supply voltage, enable behavior, ATA timing, and temperature range for each orderable MPN. Also verify whether the intended USB host expects mass-storage-class enumeration. A device can share the USB 2.0 ATA/ATAPI description and still differ in a detail that prevents assembly or changes system behavior.
Prototype testing should cover unexpected USB disconnection, disk removal, power loss during write operations, sector-boundary transfers, and recovery after reconnection. The verified material does not establish hot-plug, suspend, wake, or write-cache behavior, and those features may be central to an adapter design. Validate the complete storage stack with the exact ATA media intended for production instead of relying only on general USB 2.0 or ATA/ATAPI terminology.
Compliance Information
The supplied distributor and search records do not provide RoHS, REACH, AEC-Q100, lead-free, halogen-free, or conflict-minerals declarations for USB2005-MN-01. Compliance must be confirmed using the current Microchip product record or manufacturer material.